See more ideas about astronomy, astronomy facts, space and astronomy. The planet completes one full orbit around its parent star in just a little over 2 days. And it is made of excruciatingly hot ice. The cause of this perplexing phenenenon is still unknown and, of course, the mystery of the missing methane still has astronomers scratching their heads. Gliese 436 b / ˈ ɡ l iː z ə / (đôi khi được gọi là GJ 436 b) là một ngoại hành tinh có kích cỡ tương đương với Sao Hải Vương, quay quanh sao lùn đỏ Gliese 436. In the 2005, scientists found a planet orbiting Gliese 581. Astronomy Science ~ GJ 1214 b is a Super-Earth planet orbiting GJ 1214. 15. Astronomers believe that it embodies exotic states of water that causes its surface to be covered in burning ice. They found that 581b weighs 16.6 times as much as the Earth, and that its orbit around GL 581 lasts for 5.366 days. Gliese 436 b is a  Neptune-sized planet that orbits a red dwarf known as Gliese 436, a star that is cooler, smaller, and less luminous than the Sun. This alien world is located approximately 30 light-years from Earth towards the constellation of Leo. This ice cannot be held in hands or put in mouth because it is so hot that it will burn and melt even the bones. Because of this close proximity, the planet’s temperatures exceeds 526ºC (or 980°F), which is hot enough to ward off water in liquid form. Let us find out through this list of 20 interesting hot ice planet facts. Scientists say that the runaway gas causes a greenhouse effect which results in such high temperature. Astronomer Report It takes Gliese 436b 2 days, and 15.5 hours to make one full revolution. 10 Facts You Didn't Know About The Universe - … Compared to Uranus, the diameter of Gliese 436 b is 4000 kilometers larger. In the years since Gliese 436 b was discovered, many new developments have come to light. Gliese 581c orbits a red dwarf, the star has a mass around one third of that of the sun. It orbits the red dwarf Gliese 436 and its size is the same as planet Neptune. Scientists therefore proposed that a thin layer of helium and hydrogen covers the entire ice layer. 2. Gliese 436 b is a planet roughly the size of Neptune and was first discovered in 2004, found around 30 million light years from Earth and is about 20 times larger. Gliese 436 b (disebut /ˈɡliːzə/), or GJ 436 b, adalah planet luar suria yang mengorbit bintang kerdil merah Gliese 436. Article from historyhustle.com. GJ 1214b, also known as Gliese 1214b and within 42 light years from Earth and was discovered in November 2009. At the time, Dr Heather Knutson,  lead author on the paper discussed the significance of this atmosphere: “Either this planet has a high cloud layer obscuring the view, or it has a cloud-free atmosphere that is deficient in hydrogen, which would make it very unlike Neptune. 19. Va ser el primer d'aquest tipus detectat, i el més petit en massa i radi de tots els planetes descoberts fins l'inici dels descobriments de la missió Kepler.. El desembre de 2013, NASA va anunciar que s'havien detectat núvols a la seva atmosfera. But it also has a constant temperature of about 800 degrees Fahrenheit, more than the boiling point of water. By using our website, you agree to the cookie and privacy policy of Facts Legend. 2. The planet has an orbital period of 2.6 Earth days and transits the star as viewed from Earth. At the time of its discovery it was the smallest exoplanet detected around a main sequence star. The "hot ice world" is about 30 light-years from the sun. The planet, called GJ 436 b, orbits a cool, red star at a distance of only 2.5 million miles (4 million kilometers). Gliese 436 b. This is paradoxical because currently planetary models dictate high methane concentration and low CO concentration in atmospheres of planets with such high temperature. Then there’s Gliese 436 b (otherwise known as GJ 436 b). 4. This conclusion was drawn based on Jonathan Fortney’s models. This is a education website. We use cookies to improve user experience and serve interest-based ads through our advertisement partner. If you are approaching us for Sponsored Link or Sponsored Posting, here are a few things you need to keep in mind: — We ADD both no-follow and sponsored tags to links. However, here is something that will put even science fiction to shame – an exoplanet that is covered with a layer of hot ice. It about 20 times bigger that Earth, and is roughly the size of Neptune. The only reason the planet isn’t visibly burning is … 5. 5. 20 Interesting Hot Ice Planet Facts 1. However, the measurement of the radius during the planet’s transit across its star, it was fond that ice alone was not enough to give the planet its radius. Geoffrey Marcy from University of California and R. Paul Butler from Carnegie Institute of Washington separately... 3. 12. This planet orbits its star at a distance 15 times closer than Mercury is to the sun and the icy surface is roasting at a temperature of 439 °C (822 °F). -40 Celsius and -40 Fahrenheit are the same temperature. It is just hot ice… extremely hot ice! Spitzer Space Telescope’s study suggested that carbon monoxide was far more abundant in Gliese 436 b’s daytime atmosphere whereas methane was scant. In a press release from the University of Warwick, a team of researchers revealed that some of the planet is evapotating due to pressures exerted on it by its parent star. Nó là Sao Hải Vương nóng đầu tiên được phát hiện một cách chắc chắn (vào năm 2007) và là một trong những hành tinh … GJ 436 b is located in the Leo constellation at a distance of approximately 33.1 light years away from our Solar System. Based on information collected about size and mass of Gliese 436 b during its transit, scientists came to the conclusion that the planet was mainly composed of water. Take TrEs-2b, it’s a planet made of a substance that’s darker than coal. It is 36 million miles away from the sun (Gliese 436b) The radius 71,500 The density 1.51 cubic gram The surface gravity is 1.18 Gliese 9. Scientists have estimated that the average surface temperature of the planet is 439 degrees Celcius. The immense gravity of the planet is strong enough to compress the trace amounts of water vapor in its atmosphere, keeping it from reverting back to its liquid form. 10 Astonishing History Facts You Just Have to See. And this strange ice substance can remain solid despite blisteringly hot temperatures — we’re talking so hot, it could literally melt your face off … if you somehow managed to catch a drop of it in your mouth (if you’re wondering, human skin melts in water when it reaches 100°C/212°F). 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